Electric toothbrush



FIG. 1 is a perspective view of an electric toothbrush according to the new design;

FIG. 2 is front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top plan view thereof. 

CLAIM The ornamental design for an electric toothbrush, as shown and described. 